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Activities/Turtle Art/Using Turtle Art Sensors (view source)
Revision as of 06:41, 3 February 2011
, 06:41, 3 February 2011→Measuring DC amps
[[File:Ampere-spacing.jpg]]
[[File:Ampere-spacing.jpg]]
Though useful for testing Amperes law, the above is too insensitive for most current measurement.
To increase sensitivity, 50 turns of wire were wound on a 100mm nail, bent to a C shape with the Hall sensor in the gap. The mV from the Hall sensor are graphed against the current through the wire in amps.
==Links==
==Links==